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JJRC H8D (Protocol V202) missing fonctions
- Elric
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24 Oct 2017 18:53 #65230
by Elric
TX chip:
Protocol:
V202 => Re-Bind Yes => 250kbps No
Tested functions :
CH1 : AIL : Simple : Reversed : ok
CH2 : ELE : Simple : Normal : ok
CH3 : THR : Simple : Normal : ok
CH4 : RUD : Simple : Reversed : ok
CH5 : AUX4 : Simple : Lights on (100) /off (other)
CH6 : Flip : does not work
CH7 : Pictures : ok
CH8 : Video : ok
CH9 : Headless : ok
CH10 : does not work
CH11 : does not work
CH12 : does not work
Return to home tested on channel 6, 10, 11 and 12: does not work.
How to wire the chip tx to capture the flip and return to home ?
JJRC H8D (Protocol V202) missing fonctions was created by Elric
TX chip:
Protocol:
V202 => Re-Bind Yes => 250kbps No
Tested functions :
CH1 : AIL : Simple : Reversed : ok
CH2 : ELE : Simple : Normal : ok
CH3 : THR : Simple : Normal : ok
CH4 : RUD : Simple : Reversed : ok
CH5 : AUX4 : Simple : Lights on (100) /off (other)
CH6 : Flip : does not work
CH7 : Pictures : ok
CH8 : Video : ok
CH9 : Headless : ok
CH10 : does not work
CH11 : does not work
CH12 : does not work
Return to home tested on channel 6, 10, 11 and 12: does not work.
How to wire the chip tx to capture the flip and return to home ?
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- goebish
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24 Oct 2017 19:01 #65231
by goebish
Replied by goebish on topic JJRC H8D (Protocol V202) missing fonctions
Connect SI, SO, SCLK, CSN and of course GND.
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- Elric
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25 Oct 2017 20:20 #65265
by Elric
Replied by Elric on topic JJRC H8D (Protocol V202) missing fonctions
1drv.ms/u/s!AuNBpmXL1y0Rg8ti_39GH3SSHLn-TQ
Two 8MHz capture files : Flips and Return to Home.
OFF => ON => BINDING => FLIP FRONT => FLIP BEHIND => FLIP RIGHT => FLIP LEFT => FLIP FRONT => FLIP BEHIND => FLIP RIGHT => FLIP LEFT
OFF => ON => BINDING => ON RETURN TO HOME (bip bip bip... grrr) => OFF RETURN TO HOME
tell me if I have not made a mistake.
Two 8MHz capture files : Flips and Return to Home.
OFF => ON => BINDING => FLIP FRONT => FLIP BEHIND => FLIP RIGHT => FLIP LEFT => FLIP FRONT => FLIP BEHIND => FLIP RIGHT => FLIP LEFT
OFF => ON => BINDING => ON RETURN TO HOME (bip bip bip... grrr) => OFF RETURN TO HOME
tell me if I have not made a mistake.
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25 Oct 2017 22:02 - 25 Oct 2017 22:23 #65268
by goebish
That's not fine, in both captures it looks like the transmitter is stuck in a bootloop (edit: no, that's the way it works ...), and there's also quite a bit of garbage.
Replied by goebish on topic JJRC H8D (Protocol V202) missing fonctions
Last edit: 25 Oct 2017 22:23 by goebish.
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25 Oct 2017 22:10 #65269
by goebish
Replied by goebish on topic JJRC H8D (Protocol V202) missing fonctions
Nevermind, I think I understand how it works anyway.
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25 Oct 2017 22:19 #65270
by goebish
Replied by goebish on topic JJRC H8D (Protocol V202) missing fonctions
Actually everything should already work with the V202 protocol, flip is the same flag than already implemented (packet[14], bit 2, channel 6), and RTH is just a scam, all it does is enabling headless (packet[10], bit 1, channel 9) and set elevator to bottom position while it's enabled
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- Elric
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25 Oct 2017 22:30 #65271
by Elric
Replied by Elric on topic JJRC H8D (Protocol V202) missing fonctions
1drv.ms/u/s!AuNBpmXL1y0Rg8tj7dJ5wvFqdTogwg
second capture with the throttle to half (disassembled propellers, I hear the engines change gears during flips and return to home)
second capture with the throttle to half (disassembled propellers, I hear the engines change gears during flips and return to home)
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25 Oct 2017 22:37 #65272
by goebish
Replied by goebish on topic JJRC H8D (Protocol V202) missing fonctions
I confirm both functions (flip & headless) should work already.
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